Authors: Smith John.
The complex regional pain syndrome (CRPS) is a chronic pain condition characterized by peripheral and central nervous system dysregulation with consequent persistent cutaneous hyperalgesia and allodynia. Although usually involving an extremity following injury or surgery, the condition has been described in persons with herpes zoster, migraine headaches, thalamic strokes, and trigeminal and glossopharyngeal neuralgias. Many post-traumatic and post-surgery cases resolve within the first year with a smaller subset progressing to a chronic form in which the inflammatory response ("warm complex regional pain syndrome") is eventually superceded by autonomic nervous system abnormalities ("cold complex regional pain syndrome").
Objective: To report a case of the complex regional pain syndrome with the added feature of digital clubbing.
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